These hot celebs found their way into the spotlight in 2013, and they aren't looking back.

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Allison Williams

"Girls" premiered on HBO in spring 2012, and Allison has used 2013 wisely to up her fame and hotness factor, showing off her sense of humor on "The Mindy Project" and her good looks on countless red carpets while we wait for the next season of "Girls" to start.

(Reuters)

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Lorde

This sneaky 17-year-old singer-songwriter came out of nowhere (well, New Zealand, actually) in 2013 with her breakout hit, "Royals," which reached No. 1 on the Billboard Hot 100 chart and gave her the opportunity to release her first album.

(LordeMusic)

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Robin Thicke

Yeah, yeah, Robin Thicke had a career before 2013, but let's face it. The man made the best move of his life this year at the MTV Video Music Awards, letting Miley Cyrus twerk all over him as he sang "Blurred Lines." The song is a hit, he's a household name and he's part of the most tweeted about event in history, which, in 2013, means a lot.

(Reuters)

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Rita Ora

The British beauty was the artist with the most No.1 singles on the U.K. singles chart in 2012, and she crossed the pond in style, taking the U.S. by storm with powerful vocals and high profile performances in 2013.

(Reuters)

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Bella Thorne

Bella became a teen sensation thanks to her starring role on Disney Channel's "Shake It Up," but she didn't stop there. In 2013 the 16-year-old signed with Hollywood Records, landed two big movie roles and reportedly inked a book deal. Sixteen has never been sweeter.

(Reuters)

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Macklemore and Ryan Lewis

This duo's first two singles, "Thrift Shop" and "Can't Hold Us," both reached No. 1 on the U.S. Hot 100 chart this year. Ironically, they'll never have to step foot in a discount store again.

(Reuters)

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Ariana Grande

Though she was already known among the Nickelodeon-watching crowd for her role in "Victorious," Ariana broke onto the music scene in 2013 with her critically acclaimed single, "The Way," and debut album, "Yours Truly." She went on to perform at the MTV Video Music Awards and was nominated for Favorite Breakout Artist at the People's Choice Awards.

(Reuters)

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Janelle Monae

She may have already been a Grammy nominee, but 2013 was Janelle Monae's best year yet. She won over millions with her single, "Q.U.E.E.N," performed with Stevie Wonder and Prince, and scored a stint on Saturday Night Live. The Boston City Council even named Oct.16, 2013 "Janelle Monae Day."

(Reuters)

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Sam Claflin

This British hottie is scoring all the leading ladies as of late, including debuting as Finnick Odair in much anticipated sequel "The Hunger Games: Catching Fire" with Jennifer Lawrence. The way the fans are swooning, we have a feeling Sam will be around for a while.

(Reuters)

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AnnaSophia Robb

This bubbly blonde actress, now 19, left childhood roles behind and burst onto the scene as a young Carrie Bradshaw in "Sex and the City" prequel "The Carrie Diaries" in 2013. When she's not filming, she's usually spotted attending fashion events around New York City, because after all, isn't that what Carrie would do?